Portable Putty

PuTTY is a free and open source terminal emulator
application which can act as a client for the SSH,
Telnet, rlogin, and raw TCP computing protocols. The name
"PuTTY" has no definitive meaning[1], though 'tty' is the
name for a terminal in the Unix tradition, usually held
to be short for teletype.

Portable Thunderbird

Mozilla Thunderbird is an application E-mail Client ... and also an Open Source Software that can be modified and downloaded the Free ...
With the Email Client is ... we can manage our email ... without the need to open a browser and login to the Domain E-mail us ...

We just need to run this software and download Email us ...
The advantage we use e-mail client is ... we can still read email us again as Offline ...
Or when we are not connected to the Internet ...

Mozilla Firefox Portable

Mozilla Firefox as one of the best browsing software ever. there are many advantages in mozilla, the availability of many plug-ins that are available and easy to get. ranging from plug-in to speed up downloads, themes, and many more plug-ins that are available for Mozilla.